Fungal infections in your toenails are caused by dermatophytes, yeasts, or molds, which can enter through a crack in the nail, a cut in the skin near it, or a separation between the nail and skin. Symptoms include discolored, thickened, brittle, crumbly, or misshapen nails.
Birth control propaganda wouldn't cut it, and the government sought a more forceful method of population control. In 1979 they introduced a policy that limiting some families to having only one child.
1 Introduced in 1979, the policy meant that many Chinese citizens - around a third, China claimed in 2007 - could not have a second child without incurring a fine.  In rural areas, families were allowed to have two children if the first was a girl.